Predicted to enable serine-type endopeptidase inhibitor activity. Predicted to be involved in epithelial cell-cell adhesion and negative regulation of endopeptidase activity. Predicted to act upstream of or within negative regulation of peptidase activity. Predicted to be located in cytosol. Predicted to be active in cytoplasm and extracellular space. Human ortholog(s) of this gene implicated in peeling skin syndrome. Orthologous to human SERPINB8 (serpin family B member 8). [provided by Alliance of Genome Resources, Apr 2022]